Southwestern US on alert for dangerous heatwave

A large swathe of the southwestern United States was on alert Thursday for a potentially deadly heatwave that could push temperatures as high as 47 degrees celsius (117 Fahrenheit) over the coming days.

The air above Antarctica is suddenly getting warmer

Record warm temperatures above Antarctica over the coming weeks are likely to bring above-average spring temperatures and below-average rainfall across large parts of New South Wales and southern Queensland.

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